llvm-project

2c4dd899 - [mlir][Vector] Introduce poison in LowerVectorBitCast/Broadcast/Transpose (#126180)

[mlir][Vector] Introduce poison in LowerVectorBitCast/Broadcast/Transpose (#126180) This PR continues with the introduction of poison as initialization vector, in this particular case, in LowerVectorBitCast, LowerVectorBroadcast and LowerVectorTranspose.